622606664616 has 32 divisors (see below), whose sum is σ = 1648076466240. Its totient is φ = 195327580928.

The previous prime is 622606664591. The next prime is 622606664621. The reversal of 622606664616 is 616466606226.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762997956 + ... + 762998771.

It is an arithmetic number, because the mean of its divisors is an integer number (51502389570).

Almost surely, 2^622606664616 is an apocalyptic number.

It is an amenable number.

622606664616 is an abundant number, since it is smaller than the sum of its proper divisors (1025469801624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622606664616 is a wasteful number, since it uses less digits than its factorization.

622606664616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525996753 (or 1525996749 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 622606664616 in words is "six hundred twenty-two billion, six hundred six million, six hundred sixty-four thousand, six hundred sixteen".